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Finding the Fourth Proportional to 254,908, 351,629.56 and 152,906.32

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Solution

The fourth proportional to 254,908, 351,629.56 and 152,906.32 is: 210,924.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,908 : 351,629.56 = 152,906.32 : x
  2. Step 2: Convert to fraction form
    254,908/351,629.56 = 152,906.32/x
  3. Step 3: Cross multiply
    254,908x = 351,629.56 × 152,906.32
  4. Step 4: Simplify right side
    254,908x = 53,766,382,022.82
  5. Step 5: Solve for x
    x = 53,766,382,022.82/254,908
  6. Step 6: Final answer
    x = 210,924.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.